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These performance requirements have been established for manual slack adjusters when tested to SAE J1461.

These performance requirements have been established for manual slack adjusters when tested to SAE J1461.

The performance requirements have been established for external automatic slack adjusters when tested to SAE J1462.

These performance requirements have been established for automatic slack adjusters when tested to SAE J1462, Automatic Slack Adjuster Test Procedure.

The performance requirements have been established for external automatic slack adjusters when tested to SAE J1462.

The performance requirements have been established for external automatic slack adjusters when tested to SAE J1462.

The performance requirements have been established for external automatic slack adjusters when tested to SAE J1462.

The performance requirements have been established for external automatic slack adjusters when tested to SAE J1462.

These performance requirements have been established for manual slack adjusters when tested to SAE J1461, Manual Slack Adjuster Test Procedure.

These performance requirements have been established for manual slack adjusters when tested to SAE J1461.

These performance requirements have been established for manual slack adjusters when tested to SAE J1461.

The code provides test procedures and methods of calculating a brake rating from the data obtained. At this time, the procedure has been developed to cover only brakes of the sizes and types generally used on commercial vehicles. Some general correlation may be expected between brake ratings established by this means and those obtained from vehicle tests such as outlined in SAE J880. However, the effects of brake environment as installed in various vehicles are not considered in this laboratory procedure. The code may be used as a supplement to SAE J667, or it may be used independently. Other methods of measuring energy absorption capacity and establishing a brake rating other than those described herein may be equally valid.

This SAE Recommended Practice is intended for testing of manual slack adjusters as they are used in service, emergency, or parking brake systems for vehicles that can be licensed for on-road use.